Move .js files to their own directory

experimental/SkV8Example/snow.js

-var IS_SKV8 = typeof document == "undefined";
-var HAS_PATH = typeof Path2D != "undefined";
-
-function circlePath(r) {
-  if (HAS_PATH) {
-    var p = new Path2D();
-    p.arc(0, 0, r, 0, 2*Math.PI);
-    p.closePath();
-    return p;
-  } else {
-    return null;
-  }
-}
-
-var onDraw = function() {
-  var W = 500;
-  var H = 500;
-  var NumParticles = 100;
-
-  var angle = 0;
-  var ticks = 0;
-  var particles =[];
-
-  for (var i = 0; i < NumParticles; i++) {
-    particles[i] = {
-      x:    Math.floor(Math.random()*W),
-      y:    Math.floor(Math.random()*H),
-      r:    Math.floor(Math.random()*7+1),
-      path: circlePath(Math.random()*7+1),
-    }
-  }
-
-  function draw(ctx) {
-    ctx.fillStyle = "#ADD8E6";
-    ctx.fillRect(0, 0, W-1, H-1);
-    ctx.fillStyle = "#FFFFFF";
-
-    angle += 0.0039;
-    for (var i = 0; i < particles.length; i++) {
-      var p = particles[i];
-      p.x += Math.floor(Math.sin(angle)*5.0);
-      p.y += 0.6*p.r;
-      if (p.x > W) {
-        p.x-=W;
-      }
-      if (p.x < 0) {
-        p.x += W;
-      }
-      if(p.y>(H+1)){
-        p.y = 0;
-      }
-      if (HAS_PATH) {
-        ctx.save();
-        ctx.translate(p.x, p.y);
-        ctx.fill(p.path);
-        ctx.restore();
-      } else {
-        ctx.beginPath();
-        ctx.moveTo(p.x, p.y);
-        ctx.arc(p.x, p.y, p.r, 0, 2*Math.PI, true);
-        ctx.closePath();
-        ctx.fill();
-      }
-    };
-
-    ticks++;
-    if (IS_SKV8) {
-      inval();
-    }
-  }
-
-  function fps() {
-    console.log(ticks);
-    ticks = 0;
-    setTimeout(fps, 1000);
-  }
-
-  setTimeout(fps, 1000);
-
-  return draw;
-}();
-
-if (!IS_SKV8) {
-  window.onload = function(){
-    var canvas = document.getElementById("snow");
-    var ctx = canvas.getContext("2d");
-    function drawCallback() {
-      onDraw(ctx);
-      setTimeout(drawCallback, 1);
-    }
-    setTimeout(drawCallback, 1);
-  }
-}
-
-console.log("HAS_PATH: " + HAS_PATH);